Dog collar



FIG. 1 is a left front perspective view of a dog collar, showing a first embodiment of my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a left front perspective view showing a second embodiment of my new design;

FIG. 8 is a right side elevational view of FIG. 7;

FIG. 9 is a left side elevational view of FIG. 7;

FIG. 10 is a top plan view of FIG. 7; and,

FIG. 11 is a front elevational view of FIG. 7.

The portions of the dog depicted by broken lines in the drawings have been shown for the purpose of illustrating environmental features that form no no part of the claimed design. 

CLAIM The ornamental design for a dog collar, as shown and described. 